Dirk and MacDuff are alarmed to discover that Dirk's old clients are being randomly murdered, with Dirk as the only link. Dirk elects to leave the country, but gets waylaid.

After Dirk and Macduff are charged with protecting a valuable humanoid robot, things go wrong when the robot is stolen and they find themselves the prime suspects in a murder case.

Gently discovers the connection between two seemingly-unrelated cases - a client who believes the Pentagon are trying to kill him and another whose horoscopes appear to be coming true. When mysteries collide, Dirk is the only man for the job.

Holistic detective Dirk Gently's investigation into a missing cat links to an encounter with an old friend, an exploding warehouse, a missing billionaire and some biscuits.